Basis weight measuring apparatus and method for sheet tobacco, and manufacturing system and method for sheet tobacco

a technology of weight measurement and tobacco, which is applied in the field of basic weight measurement apparatus and method for tobacco, and the manufacturing system and method of tobacco, can solve problems such as affecting the taste of tobacco, and achieve the effect of reducing the production of inferior sheet tobacco

Active Publication Date: 2015-05-21
JAPAN TOBACCO INC
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Benefits of technology

[0023]With the basis weight measuring apparatus and method for sheet tobacco according to the present invention, a basis weight of sheet tobacco can be measured in a course of transport of the sheet tobacco, that is, online, and thus the measured basis weight can promptly be reflected in production of the sheet tobacco.
[0...

Problems solved by technology

The basis weight of the sheet tobacco determines the thickness of the r...

Method used

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  • Basis weight measuring apparatus and method for sheet tobacco, and manufacturing system and method for sheet tobacco
  • Basis weight measuring apparatus and method for sheet tobacco, and manufacturing system and method for sheet tobacco
  • Basis weight measuring apparatus and method for sheet tobacco, and manufacturing system and method for sheet tobacco

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Embodiment Construction

[0035]FIG. 1 schematically illustrates a manufacturing system from, for example, forming of rolled sheet tobacco (hereinafter simply referred to as “sheet tobacco”) from ingredients to shipping of the sheet tobacco through basis weight measurement and basis weight control.

[0036]Sheet tobacco ingredients include a flavor element (cornstarch) and a reinforcing material in addition to lamina material obtained from leaf tobacco, granular material such as cut tobacco and recycled cut tobacco collected from a cigarette manufacturing process and stem material obtained from leaf tobacco.

[0037]The lamina material is subjected to processing for lamina and then added to the granular material, thereby forming first blend material. The processing for lamina includes cracking, humidity control and drying of the lamina material, and the granular material may be subjected to cracking processing before the addition of the lamina material. Subsequently, the first blend material is further ground.

[003...

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Abstract

A measuring apparatus for performing a basis weight measuring method for sheet tobacco according to the present invention includes: a light source (28) that emits light to sheet tobacco (ST) passing through a measurement position (P) on a transport path (18); and a visual sensor (30), the visual sensor (30) having a color camera (32) disposed with the transport path (18) put between the color camera (32) and the light source (28), a processing part (40) that transforms a color image of the sheet tobacco (ST) taken by the camera (32) into a grayscale image, and a conversion part (42) that converts an average gray level of the grayscale image into a basis weight of the sheet tobacco (ST) with reference to a conversion map which indicates a relationship between the average gray level of the grayscale image and an actual basis weight of sheet tobacco (ST).

Description

TECHNICAL FIELD[0001]The present invention relates to a measuring apparatus and a measuring method for measuring a basis weight of sheet tobacco, and also to a sheet tobacco manufacturing system and a sheet tobacco manufacturing method in which the measuring apparatus and the measuring method are incorporated, respectively.BACKGROUND ART[0002]Cigarettes contain not only cut tobacco obtained by cutting lamina tobacco, but also reconstructed cut tobacco obtained by cutting sheet tobacco as filling materials. For example, such sheet tobacco is formed by a forming machine described in Patent Document 1, and the forming machine includes an adjustment apparatus for adjusting the basis weight of the sheet tobacco.[0003]The basis weight of the sheet tobacco determines the thickness of the reconstructed cut tobacco and thus greatly affects the taste of the cigarette. Therefore, the sheet tobacco manufactured by the forming machine is sampled at fixed time intervals. The weight of a sample is...

Claims

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Application Information

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IPC IPC(8): A24B3/14G06T7/00G06T7/40G01G23/35
CPCA24B3/14G01G23/35G06T2207/30128G06T7/408G06T2207/10024G06T7/0006G01N21/86G01G9/005G01G17/02G01N21/8901D21G9/0009
Inventor NAKAGAWA, SEIJITOKUDA, KAZUHIRONARAZAKI, KAORUKAMISHIRAKI, TSUTOMUTSUCHIYA, YASUSHIGE
Owner JAPAN TOBACCO INC
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